title: Autism as early expression of catatonia.
mesh_terms: D000293:Adolescent; D017668:Age of Onset; D001321:Autistic Disorder / Q000175:diagnosis*; D002389:Catatonia / Q000175:diagnosis* / Q000209:etiology*; D002531:Cerebellum / Q000378:metabolism; D002648:Child; D006801:Humans; D008297:Male; D011218:Prader-Willi Syndrome / Q000175:diagnosis; D011618:Psychotic Disorders / Q000175:diagnosis; D005680:gamma-Aminobutyric Acid / Q000378:metabolism
chemical_list: D005680:gamma-Aminobutyric Acid